{"action":"Upgrade squashfs-tools to 1:4.5-2 or later.","affected":[{"fixed":"1:4.5-2","introduced":"0"}],"component":"squashfs-tools","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:4.5-2"],"id":"tcs_01M5NFYSS2398WRBSG2A8N699D","modified_at":"2026-10-23T18:03:32.652020255Z","published_at":"2021-08-27T15:15:09.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40153","https://security-tracker.debian.org/tracker/CVE-2021-40153"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40153","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40153"}],"summary":"squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not valid"}